🐛 fix image extractor dropping quality of extracted PDFs (#404)

Author: sebastianMindee

.github/workflows/_test-integrations.yml

@@ -36,6 +36,41 @@ jobs:
 
       - name: Install Node.js dependencies
         run: npm ci
+      - name: Install Poppler (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y poppler-utils
+
+      - name: Install Poppler (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          brew update
+          brew install poppler
+
+      - name: Install Poppler (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          $headers = @{ "User-Agent" = "github-actions" }
+          $rel = Invoke-RestMethod -Headers $headers https://api.github.com/repos/oschwartz10612/poppler-windows/releases/latest
+          $asset = $rel.assets | Where-Object { $_.name -like "Release-*.zip" } | Select-Object -First 1
+          if (-not $asset) { throw "No Release-*.zip asset found in latest poppler-windows release." }
+
+          $zip = Join-Path $env:RUNNER_TEMP $asset.name
+          Invoke-WebRequest -Headers $headers $asset.browser_download_url -OutFile $zip
+
+          $dest = Join-Path $env:RUNNER_TEMP "poppler"
+          Expand-Archive -Path $zip -DestinationPath $dest -Force
+
+          $exe = Get-ChildItem $dest -Recurse -Filter pdfinfo.exe | Select-Object -First 1
+          if (-not $exe) { throw "pdfinfo.exe not found after extraction." }
+
+          $bin = $exe.Directory.FullName
+          $env:PATH = "$bin;$env:PATH"                         # for this step
+          $bin | Out-File $env:GITHUB_PATH -Encoding utf8 -Append # for later steps
+
+          pdfinfo -v
 
       - name: Compilation
         run: npm run build